Markup some failures attributed to destruction bugs in Comeau

[SVN r23238]

status/explicit-failures-markup.xml

@@ -502,6 +502,11 @@
 
     <!-- signals -->
     <library name="signals">
+        <test name="dead_slot_test">
+            <mark-failure>
+                <toolset name="meta-como-win32-4.3.3-vc7"/>
+            </mark-failure>
+        </test>
         <test name="signal_test">
             <mark-failure>
                 <toolset name="cwpro8"/>
@@ -515,6 +520,11 @@
                 <note author="B. Dawes" refid="3"/>
             </mark-failure>
         </test>
+        <test name="trackable_test">
+            <mark-failure>
+                <toolset name="meta-como-win32-4.3.3-vc7"/>
+            </mark-failure>
+        </test>
     </library>
 
     <!-- static_assert -->